Most medical documents indicate you might experience any of these: Mild diarrhea and/or upset stomach Difficulty breathing or swallowing Weight loss or weight gain Nervousness or restlessness Nausea or vomiting Headaches or migraines Paresthesias (tingling sensations) Rhinitis (chronic sneezing or a congested, drippy nose) Skin reactions, such as rash, itching, swelling, blisters, or pain at the site of injection Light joint pain Lightheadedness or dizziness Chest pain or discomfort Low blood potassium levels Irregular heartbeat Chills, night sweats, fever, or hot flushes General feeling of sickness However, people often fail to recognize that many side effects of vitamin B12 injections are consistent with B12 deficiency itself
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Who Should Exercise Particular Caution: Pregnant or Nursing Women: No safety data exists for BPC-157 use during pregnancy or lactation
In reproductive tissues, peptides may impact follicle development, ovarian signaling, and local inflammation, all of which are important for fertility
[2] Mayo Clinic
While studies have indicated a link between vitamin B12 and sleep regulation, the exact mechanism is not entirely understood
